Data Quality Assessment: Proven Checklist to Avoid Bad Data
Everyone agrees the records are a bit of a mess and nobody schedules the work to find out how bad it is. A data quality assessment turns that vague unease into a scored, prioritised, costed list you can work through in ninety days. This guide covers what to measure, the six dimensions and their thresholds, the full checklist of profiling and rule checks, how to score results so they are comparable, what a first pass usually finds, how to convert findings into a remediation plan, tooling tiers, the UK GDPR obligations it satisfies, what it costs to run, and the mistakes that waste the effort.